| .\" Copyright (c) 1992 Drew Eckhardt (drew@cs.colorado.edu), March 28, 1992 |
| .\" |
| .\" %%%LICENSE_START(VERBATIM) |
| .\" Permission is granted to make and distribute verbatim copies of this |
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| .\" entire resulting derived work is distributed under the terms of a |
| .\" permission notice identical to this one. |
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| .\" Since the Linux kernel and libraries are constantly changing, this |
| .\" manual page may be incorrect or out-of-date. The author(s) assume no |
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| .\" Modified by Michael Haardt (michael@moria.de) |
| .\" Modified Sat Jul 24 14:48:00 1993 by Rik Faith (faith@cs.unc.edu) |
| .\" Modified 1995 by Mike Battersby (mib@deakin.edu.au) |
| .\" Modified 2000 by aeb, following Michael Kerrisk |
| .\" |
| .TH PAUSE 2 2021-03-22 "Linux" "Linux Programmer's Manual" |
| .SH NAME |
| pause \- wait for signal |
| .SH SYNOPSIS |
| .nf |
| .B #include <unistd.h> |
| .PP |
| .B int pause(void); |
| .fi |
| .SH DESCRIPTION |
| .BR pause () |
| causes the calling process (or thread) to sleep |
| until a signal is delivered that either terminates the process or causes |
| the invocation of a signal-catching function. |
| .SH RETURN VALUE |
| .BR pause () |
| returns only when a signal was caught and the |
| signal-catching function returned. |
| In this case, |
| .BR pause () |
| returns \-1, and |
| .I errno |
| is set to |
| .\" .BR ERESTARTNOHAND . |
| .BR EINTR . |
| .SH ERRORS |
| .TP |
| .B EINTR |
| a signal was caught and the signal-catching function returned. |
| .SH CONFORMING TO |
| POSIX.1-2001, POSIX.1-2008, SVr4, 4.3BSD. |
| .SH SEE ALSO |
| .BR kill (2), |
| .BR select (2), |
| .BR signal (2), |
| .BR sigsuspend (2) |